Research · Vendor site 2026-10-04
Semantic Scholar is a free AI-powered search engine for scientific literature from Allen Institute for AI. It indexes hundreds of millions of papers, provides semantic search and alerts, and offers developer APIs plus an augmented Semantic Reader experience for select papers.
Scientists, students, and developers who need open literature search, citation exploration, or API access to paper metadata
Semantic Reader and some beta experiences cover select papers only; API usage is subject to published developer terms
Semantic Scholar provides free AI-assisted discovery over a large scientific corpus, with optional developer APIs and experimental reader enhancements for research workflows.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Corpus size | Homepage search covers hundreds of millions of papers across scientific fields | Facts sourced | 2026-10-04 |
| Semantic Reader | Semantic Reader beta offers augmented reading with richer contextual layout for supported papers | Facts sourced | 2026-10-04 |
| Developer API | API release notes highlight paper search and improved stability for production scholarly apps | Facts sourced | 2026-10-04 |
| Account features | Users can sign in to create a free account for alerts and personalized library features | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Web search and reading features are free for researchers; no paid consumer subscription is advertised on the homepage
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Semantic Scholar is a free AI-powered search engine for scientific literature from Allen Institute for AI. It indexes hundreds of millions of papers, provides semantic search and alerts, and offers developer APIs plus an augmented Semantic Reader experience for select papers.
Web search and reading features are free for researchers; no paid consumer subscription is advertised on the homepage. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Semantic Scholar publishes a public API with paper search and improved documentation for developers building scholarly apps. API access and subscription access may have different terms; consult the linked sources.
Semantic Reader and some beta experiences cover select papers only; API usage is subject to published developer terms
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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